UPDATED (Oct. 11): The National Oceanic and Atmospheric Administration (NOAA) has upgraded its G4-level "severe" geomagnetic storm watch to a G3-level "strong" geomagnetic storm warning after an anticipated coronal mass…
solar flare
When a large electromagnetic pulse (EMP) or geomagnetic disturbance (GMD) event occurs—which, according to Sen. Ron Johnson (R-Wis.), there is “100% certainty” will happen at some time in the future—as…